Transcription of Mendelian Inheritance & Probability
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Mendelian Inheritance & Probability
1(CHAPTER 2- Brooker Text) Mendelian Inheritance & ProbabilityJanuary 31 & Feb 2, 2006 BIO 184Dr. Tom Peavy2 TtYy x ttyyWhat is the expected phenotypic ratio among offspring? Problem Solving3Tt RR x Tt RRWhat fraction of the progeny will be Tall and Round?(pg 38)4 Alternative = Forked Line MethodTt RR Yy x Tt RR YyWhat fraction of the progeny will be Tall, Round, and Green?5 Probability calculations are used in genetic problems to predict the outcome of crosses To compute Probability , we can use three mathematical operations Product rule Sum rule Binomial expansion equationPROBABILITYP roduct rule The Probability that two or more independent events will occur is equal to the product of their respective probabilities Note Independent events are those in which the occurrence of one does not affect the Probability of another What are the odds of 3 h
• The probability that one of two or more mutually exclusive events will occur is the sum of their respective probabilities • What are the odds of rolling a 3 on a single die? • What are the odds of rolling a 3 or a 4 on a single die? Binomial Expansion Equation • Represents all of the possibilities for a given set of unordered events n! x!
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